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FLASH_CR_SNB field has too many bits in stm32h503xx.h

Jochen0x90h
Visitor

‎2025-07-19 1:32 AM

Hi!

I found a bug in stm32h503xx.h (version 2023)

 

The SNB field has too many bits:

#define FLASH_CR_SNB_Msk (0x7FUL << FLASH_CR_SNB_Pos)
 
Correct is only three according to the reference manual (8 pages of 8K flash), therefore it should be
#define FLASH_CR_SNB_Msk (0x07UL << FLASH_CR_SNB_Pos)
 
With kind regards,
Jochen
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